Start the game on Lost Crevasse Hard Standard mode by placing a Tack Shooter at the entrance. Upgrade it quickly along Path 2 to 2-2-0 to handle early waves efficiently.
Add Quincy to your team. You can use his abilities to speed up rounds if desired.
Continue upgrading the Tack Shooter to 3-2-0, then enhance it further with the Ring of Fire upgrade to reach 4-2-0, maximizing its bloon-popping power.
Place a Sniper Monkey to target escaped bloons and upgrade it to 0-2-4. Support your towers by placing a Monkey Village and upgrading it to 4-2-0, boosting overall tower performance.
Upgrade the Sniper Monkey to Elite Defender (0-2-5) for high MOAB damage, and support it with an Alchemist, upgraded to 4-2-0, for enhanced attack power.
Add another Sniper Monkey and upgrade it to 0-5-2, then place a second Alchemist to boost your team further with 4-2-0 upgrades.
With this setup, victory in Lost Crevasse Hard Standard mode is assured—no Monkey Knowledge or special abilities are required.